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Hard to start problem V70-XC70 1999

It appears that you might have a problem with fuel pressure. Get yourself a pressure gauge and check the pressure while your cranking it, as well as 10-15 minutes after you stop.

The easiest way to do this is start the car, check fuel pressure. It should be between 375 and 395 kPa. I doubt it will be off, since the car seems to run normal except for starting. If it is report that and we'll walk through whats wrong...


After the first check, kill the engine and wait 10-15 minutes and check again. If the pressure has fallen below 200 kPa you have a leak somewhere. Check the injectors (this is a pretty easy check, take the rail and injectors off. Set them on top of newspaper on the top of your engine. Jump the fuel pressure relay (relay #103, jump pins 1 and 3 with a wire(top and bottom center pins) and the pump will turn on, let it go for 20 seconds then take off the wire). Let it sit for 20 minutes and check for wetness. The pressure regulator might also leak and its on the rail, it would cause wetness too.. If nothing you probably have the fuel pump non-return valve, other connections, and the lines to check out.






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New Hard to start problem [V70-XC70][1999]
posted by  someone claiming to be Hugh  on Fri Sep 24 11:06 CST 2010 >


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